/Engine/Source/Runtime/CoreUObject/Public/Serialization/EditorBulkData.h
Set this BulkData into Torn-Off mode. It will no longer register with the BulkDataRegistry, even if copied from another BulkData, and it will pass on this flag to any BulkData copied/moved from it. UseReset()to remove this state. Torn-off BulkDatas share the guid with the BulkData they copy from.
void TearOff()